contiki/examples/zolertia/zoul/test-motion.c
2016-01-11 18:36:31 +01:00

103 lines
3.8 KiB
C

/*
* Copyright (c) 2016, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-examples
* @{
*
* \defgroup zoul-motion-test Digital motion sensor test
*
* The example application shows how to use any digital motion sensor, basically
* driving a signal high when motion is detected.
*
* @{
*
* \file
* Test application for the digital motion/presence sensor
*
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "cpu.h"
#include "sys/rtimer.h"
#include "dev/leds.h"
#include "dev/motion-sensor.h"
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define LEDS_OFF_HYSTERISIS RTIMER_SECOND
/*---------------------------------------------------------------------------*/
static struct rtimer rt;
/*---------------------------------------------------------------------------*/
PROCESS(test_presence_sensor, "Test digital motion sensor");
AUTOSTART_PROCESSES(&test_presence_sensor);
/*---------------------------------------------------------------------------*/
void
rt_callback(struct rtimer *t, void *ptr)
{
leds_off(LEDS_RED);
}
/*---------------------------------------------------------------------------*/
static void
presence_callback(uint8_t value)
{
printf("*** Presence detected!\n");
leds_on(LEDS_RED);
rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1, rt_callback, NULL);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_presence_sensor, ev, data)
{
PROCESS_BEGIN();
/* Register the callback handler when presence is detected */
MOTION_REGISTER_INT(presence_callback);
/* Enable the sensor, as default it assumes the signal pin has a pull-down
* resistor and a rising interrupt (signal goes high when motion is detected),
* this is the case of the Grove's PIR sensor v.1.0. If the sensor has an
* inverse logic, change at the motion-sensor.c driver file
* GPIO_DETECT_FALLING instead of GPIO_DETECT_RISING if using an external
* pull-up resistor
*/
SENSORS_ACTIVATE(motion_sensor);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
* @}
*/